S&P historical data is the listing of market data from previous trading periods. Basic historical data for the S&P covers opening and closing prices, highs and lows, the percentage change and the total volume.
Historical data for the S&P may be provided in spans of days, weeks and months. Databases for historical prices offer customizable time spans and are available at financial sites such as Google Finance and MarketWatch. Yahoo! Finance offers S&P historical data with an adjusted close price for dividends and splits, with values for dividends only available. The data can be provided in spreadsheet or graphical formats.